Focus Session: Fe-based Superconductors – Neutrons and X-rays

Presentations

• Nematic spin correlations in the tetragonal state of uniaixial-strained BaFe$_{2-x}$Ni$_x$As$_2$

  COFFEE_KLATCH · Invited

  March 2, 2015, 11:15 AM – March 2, 2015, 11:51 AM

  Authors

  • Pengcheng Dai

    • Rice Univ
    • Beijing National Laboratory for Condensed Matter Physics, and Institute of Physics, Chinese Academy of Sciences
    • Chinese Academy of Sci (CAS):Rice University
    • Rice university

  View abstract →

• Coexistence of diffuse liquid-like scattering and emergent coherent mode in Fe$_{1+y}$Te

  ORAL

  March 2, 2015, 11:51 AM – March 2, 2015, 12:03 PM

  Authors

  • Igor Zaliznyak

    • Brookhaven Natl Lab

  • David Fobes

    • CMPMSD, Brookhaven National Lab, Upton, NY 11973-5000, USA
    • Brookhaven Natl Lab

  • Zhijun Xu

    • Brookhaven Natl Lab

  • Genda Gu

    • Brookhaven National Lab
    • Brookhaven National Laboratory
    • Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, NY 11973, USA
    • Brookhaven Natl Lab
    • BNL
    • Department of Physics, Brookhaven National Laboratory
    • Brookhaven National Lab, Upton, NY
    • University of Colorado at Boulder

  • John Tranquada

    • Brookhaven National Laboratory
    • Condensed Matter Physics and Materials Science Department, Brookhaven National Laboratory, NY 11973, USA
    • Brookhaven Natl Lab
    • BNl

  • Andrei Savici

    • Oak Ridge National Lab

  • Ovidiu Garlea

    • Oak Ridge National Lab

  • Douglas Abernathy

    • Oak Ridge National Laboratory
    • Quantum Condensed Matter Division, Oak Ridge National Laboratory
    • Oak Ridge National Lab

  View abstract →

• Decoupling neutron resonances from superconducting transition temperatures in NaFe$_{1-x}$Co$_x$As

  ORAL

  March 2, 2015, 12:03 PM – March 2, 2015, 12:15 PM

  Authors

  • Chenglin Zhang

    • Department of Physics and Astronomy, Rice University, Houston
    • Rice University

  • Egami Takeshi

    • Univ of Tennessee - Knoxville
    • University of Tennessee
    • Univ of Tennessee, Knoxville

  • Pengcheng Dai

    • Rice Univ
    • Beijing National Laboratory for Condensed Matter Physics, and Institute of Physics, Chinese Academy of Sciences
    • Chinese Academy of Sci (CAS):Rice University
    • Rice university

  View abstract →

• Elastic and Inelastic neutron scattering results in heavily Cu doped NaFe$_{1-x}$Cu$_x$As with x approaching 0.5

  ORAL

  March 2, 2015, 12:15 PM – March 2, 2015, 12:27 PM

  Authors

  • Yu Song

    • Rice University

  View abstract →

• Inelastic neutron scattering study on Co-doped LiFeAs

  ORAL

  March 2, 2015, 12:27 PM – March 2, 2015, 12:39 PM

  Authors

  • Yu Li

    • Rice University

  • David Tam

    • Rice Univ

  • Meng Wang

    • Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
    • UC Berkeley

  View abstract →

• Phase diagram of BaFe$_{2}$(As$_{1-x}$P$_{x}$)$_{2}$

  ORAL

  March 2, 2015, 12:39 PM – March 2, 2015, 12:51 PM

  Authors

  • Ding Hu

    • Chinese Academy of Sci (CAS)

  • Shiliang Li

    • Chinese Academy of Sci (CAS)

  • Huiqian Luo

    • Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences
    • Chinese Academy of Sci (CAS)

  • Pengcheng Dai

    • Rice Univ
    • Beijing National Laboratory for Condensed Matter Physics, and Institute of Physics, Chinese Academy of Sciences
    • Chinese Academy of Sci (CAS):Rice University
    • Rice university

  View abstract →

• Magneto-elastic coupling in detwinned Sr(Fe$_{1-x}$Co$_{x}$)$_{2}$As$_{2}$ by inelastic x-ray scattering

  ORAL

  March 2, 2015, 12:51 PM – March 2, 2015, 1:03 PM

  Authors

  • Naoki Murai

    • RIKEN SPring-8 Center and Osaka University

  • Tatsuo Fukuda

    • RIKEN SPring-8 Center and JAEA

  • Masamichi Nakajima

    • Osaka University

  • Tatsuya Kobayashi

    • Osaka University

  • Hiroshi Uchiyama

    • RIKEN SPring-8 Center and JASRI

  • Satoshi Tsutsui

    • JASRI

  • Daisuke Ishikawa

    • RIKEN SPring-8 Center and JASRI

  • Hiroki Nakamura

    • JAEA

  • Masahiko Machida

    • JAEA

  • Shigeki Miyasaka

    • Osaka University

  • Setsuko Tajima

    • Osaka University

  • Alfred Baron

    • RIKEN SPring-8 Center and JASRI

  View abstract →

• Magnetic phase diagram of Ca(Co$_{1-x}$Fe$_{x}$)$_{2}$As$_{2}$ ($x \le $ 0.1) single crystals

  ORAL

  March 2, 2015, 1:03 PM – March 2, 2015, 1:15 PM

  Authors

  • W.T. Jayasekara

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • B.G. Ueland

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University

  • Abhishek Pandey

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA

  • V.K. Anand

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA

  • N.S. Sangeetha

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • W. Tian

    • Quantum Condensed Matter Division, ORNL
    • Quantum Condensed Matter Division, Oak Ridge National Laboratory
    • Quantum Condensed Matter Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
    • Oak Ridge Natl Lab, TN, USA

  • D.C. Johnston

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • A. Kreyssig

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • A.I. Goldman

    • Ames Laboratory and Iowa State University
    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  View abstract →

• Study of lattice distortion in Sr(Fe$_{1-x}$Co$_{x}$)$_{2}$As$_{2}$ single crystals employing high-energy x-ray diffraction

  ORAL

  March 2, 2015, 1:15 PM – March 2, 2015, 1:27 PM

  Authors

  • A. Sapkota

    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • W.T. Jayasekara

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • Abhisek Pandey

    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • Shree R. Banjara

    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • P. Das

    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • N.S. Sangeetha

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • D.C. Johnston

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • A. Kreyssig

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • A.I. Goldman

    • Ames Laboratory and Iowa State University
    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  View abstract →

• Tetragonal-to-orthorhombic lattice distortion and domains in Ca(Fe$_{1-x}$Co$_x$)$_2$As$_2$ single crystals

  ORAL

  March 2, 2015, 1:27 PM – March 2, 2015, 1:39 PM

  Authors

  • A. Kreyssig

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • E.C. Blomberg

    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • G.S. Tucker

    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • A. Sapkota

    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • S. Ran

    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • S.L. Bud'ko

    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • P.C. Canfield

    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • M.A. Tanatar

    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • R. Prozorov

    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • A.I. Goldman

    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  View abstract →

• Competing magnetic and superconducting order and the role of vortices in iron-based superconductors

  ORAL

  March 2, 2015, 1:39 PM – March 2, 2015, 1:51 PM

  Authors

  • B. Mencia Uranga

    • Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark

  • J. Larsen

    • Department of Physics, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark

  • G. Stieber

    • Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark

  • S.L. Holm

    • Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark

  • K. Lefmann

    • Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark

  • C. Niedermayer

    • Paul Scherrer Institut Villigen
    • Laboratory for Neutron Scattering and Imaging, Paul Scherrer Institute, CH-5232 Villigen, Switzerland

  • Thomas Wolf

    • Karlsruher Institut fur Technologie, Institut fur Festkorperphysik, 7602, Karlsruhe, Germany
    • Karlsruher Institut fuer Technologie, Institut fuer Festkoerperphysik, D-76021 Karlsruhe, Germany
    • Institut f\"{u}r Festk\"{o}rperphysik, Karlsruhe Institute of Technology, Germany

  • B.M. Andersen

    • Niels Bohr Institute, University of Copenhagen, DK-2100 Copenhagen, Denmark

  View abstract →

• Itinerant ferromagnetism in the As $4p$ conduction band of Ba$_{0.6}$K$_{0.4}$Mn$_{2}$As$_{2}$ identified by x-ray magnetic circular dichroism

  ORAL

  March 2, 2015, 1:51 PM – March 2, 2015, 2:03 PM

  Authors

  • B.G. Ueland

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University

  • Abhishek Pandey

    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University

  • A. Sapkota

    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University

  • Y. Lee

    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University

  • Y. Choi

    • Advanced Photon Source, Argonne National Laboratory

  • D. Haskel

    • Advanced Photon Source, Argonne National Laboratory

  • R. A. Rosenberg

    • Advanced Photon Source, Argonne National Laboratory

  • J. C. Lang

    • Advanced Photon Source, Argonne National Laboratory

  • B. N. Harmon

    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University

  • D. C. Johnston

    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University

  • A. Kreyssig

    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University

  • A. I. Goldman

    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University

  View abstract →

• Collapsed tetragonal phase in SrCo$_{2}$As$_{2}$ under high pressure

  ORAL

  March 2, 2015, 2:03 PM – March 2, 2015, 2:15 PM

  Authors

  • W.T. Jayasekara

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • B.G. Ueland

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory, Dept. of Physics and Astronomy, Iowa State University

  • A. Kreyssig

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • Abhishek Pandey

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA

  • N.S. Sangeetha

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • G. Fabbris

    • Argonne National Lab/Washington University in St. Louis
    • Argonne National Lab./Washington University in St. Louis
    • Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA

  • Yejun Feng

    • Argonne National Laboratory
    • Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA

  • D. Haskel

    • Argonne National Lab
    • Argonne National Laboratory
    • Advanced Photon Source, Argonne National Laboratory, Argonne, Illinois 60439, USA

  • D.C. Johnston

    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  • A.I. Goldman

    • Ames Laboratory and Iowa State University
    • Ames Laboratory U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA
    • Ames Laboratory US DOE, Department of Physics and Astronomy, Iowa State University

  View abstract →